Understand the basic formula of PU leather manufacturing

PU leather is polyurethane synthetic leather, which belongs to the polyurethane elastomer category. It is a kind of simulated leather with a feel similar to real leather, soft contact, glossy surface, and excellent bonding performance with the base material.
Let’s take a look at the basic formula for making PU leather:
Fabric PU 100 Drying temperature: 90-100℃
MEK: MEK 20 drying time 1 minute
DMF: dimethylformamide 20
Colorant 12
Base material: PVC 100
DOP 55
DBP 12 plasticizing temperature 200℃
Calcium carbonate 10 plasticizing time 1 minute
Stabilizer 3
Zinc Oxide 5
Foaming agent AC 3
Pigment 1